Here's my simple 15-tool stack:
Strategy:
1. Ahrefs: All-in-one (competitors, keywords, etc)
2. Keyword Insights: Keyword clustering
3. SparkToro: Audience research
Content:
4. Byword: Programmatic AI content
5. Grammarly: Writing assistant
6. Frase: Content optimisation
Technical:
7. Screaming Frog: Website crawling and auditing
8. Google Search Console: SEO analytics and data
9. Detailed SEO Extension: Quick on-page analysis
Backlinks:
10. Connectively: Journalist requests
11. Hunter: Email address finder
12. Pitchbox: Link outreach
Underrated:
13. AlsoAsked: 'People Also Ask' keywords
14. Seed Keywords: 'Seed' keyword surveys
15. HTTP Status Checker: URL status checker